High-Fidelity Orbit Propagator

Numerical Integration with J2, Drag, and Solar Radiation Pressure Perturbations

$$\ddot{\vec{r}} = -\frac{\mu}{r^3}\vec{r} + \vec{a}_{J2} + \vec{a}_{drag} + \vec{a}_{SRP}$$

Two-body dynamics with perturbation accelerations

Orbital Parameters

Orbit Characteristics
Altitude (km)500
Period (min)92.7
Velocity (km/s)7.66

Element Evolution

J2 Secular Rates
RAAN drift (deg/day)-5.2
AoP drift (deg/day)3.8

Perturbation Forces